13278190

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{2111}}^1$

素因数の和:2172

約数の個数: 32

約数和(自身を含む): 26002944

約数和(自身を除く): 12724754

約数列:

[1, 2, 5, 10, 17, 34, 37, 74, 85, 170, 185, 370, 629, 1258, 2111, 3145, 4222, 6290, 10555, 21110, 35887, 71774, 78107, 156214, 179435, 358870, 390535, 781070, 1327819, 2655638, 6639095, 13278190]

約数ペア:

[(1, 13278190), (2, 6639095), (5, 2655638), (10, 1327819), (17, 781070), (34, 390535), (37, 358870), (74, 179435), (85, 156214), (170, 78107), (185, 71774), (370, 35887), (629, 21110), (1258, 10555), (2111, 6290), (3145, 4222)]